CN219893651U

CN219893651U - Dampproofing electrical cabinet

Info

Publication number: CN219893651U
Application number: CN202320688018.XU
Authority: CN
Inventors: 乔冰莹; 李延涛; 赵明明; 乔峰; 杜丹丹
Original assignee: Henan Future Yingjia Technology Co ltd
Current assignee: Henan Future Yingjia Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-10-24
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a dampproof electrical cabinet, which comprises a cabinet body and a mounting rack arranged in the cabinet body, wherein the cabinet body comprises an outer shell and an inner shell, and a ventilation cavity is arranged between the outer shell and the inner shell; the top of the outer shell is provided with a blower, and an air outlet of the blower is communicated with the ventilation cavity through an air inlet valve; the mounting frame is arranged in a mounting cavity in the middle of the inner shell; the two side walls of the inner shell are correspondingly provided with ventilation openings, and the ventilation openings are provided with air guide components; the exhaust port at the bottom of the cabinet body is communicated with the installation cavity, and an exhaust valve is installed at the exhaust port. The device has good dampproof and dehumidifying effects and high heat dissipation efficiency, thereby effectively reducing the corrosion degree of the rust in the cabinet and avoiding the circuit from being wetted and shorted.

Description

Dampproofing electrical cabinet

Technical Field

The utility model belongs to the field of electrical equipment, and particularly relates to a moistureproof electrical cabinet.

Background

The inside of the electric cabinet arranged in the shady and cool area is easy to be wetted, and the electric appliances in the cabinet body can generate heat when running. The existing electrical cabinet generally carries out dehumidification and heat dissipation through ventilation holes or exhaust fans on the side face of the cabinet body, has poor dampproof effect and low heat dissipation efficiency, can accelerate corrosion in the cabinet body under the damp and hot air in the cabinet, and even causes short circuit in the cabinet.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide the dampproof electrical appliance cabinet, which has good dampproof and dehumidifying effects and high radiating efficiency, thereby effectively reducing the corrosion degree of the rust in the cabinet and avoiding the circuit from being wetted and shorted.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the dampproof electrical cabinet comprises a cabinet body and a mounting rack arranged in the cabinet body, wherein the cabinet body comprises an outer shell and an inner shell, and a ventilation cavity is arranged between the outer shell and the inner shell; the top of the outer shell is provided with a blower, and an air outlet of the blower is communicated with the ventilation cavity through an air inlet valve; the mounting frame is arranged in a mounting cavity in the middle of the inner shell; the two side walls of the inner shell are correspondingly provided with ventilation openings, and the ventilation openings are provided with air guide components; the exhaust port at the bottom of the cabinet body is communicated with the installation cavity, and an exhaust valve is installed at the exhaust port.

Preferably, the air guide assembly comprises an air cylinder, a connecting rod and a plurality of air guide plates which are arranged at the ventilation opening along the vertical direction, the middle part of each air guide plate is rotationally connected to the ventilation opening, and the connecting rod which is vertically and movably arranged is rotationally connected with the end part of each air guide plate, which is close to the ventilation cavity; the cylinder rotates and articulates on the inside wall of shell body, and the piston end of cylinder is connected on the connecting rod in the downward sloping rotation.

Preferably, the bottom of the cabinet body is provided with a bucket-shaped groove, and the exhaust port is arranged in the middle of the groove.

Preferably, the mounting frame is detachably provided with a shell, and activated carbon is arranged in the shell.

Preferably, the lower end of the air deflector is provided with a first clamping groove, and the upper end of the adjacent air deflector below is provided with a second clamping groove matched with the first clamping groove.

Preferably, the first sealing strip is fixedly arranged in the second clamping groove.

Preferably, the two side edges of the air deflector are provided with second sealing strips matched with the side walls of the ventilation openings.

Preferably, the upper end of the ventilation opening is provided with a clamping block which is matched with the second clamping groove of the top air deflector in a downward protruding mode; a third clamping groove matched with the first clamping groove of the bottom air deflector is arranged below the ventilation opening.

Preferably, a hygrothermograph is arranged in the installation cavity.

The utility model has the beneficial effects that:

1. after the air inlet valve is opened, the air blower blows air into the ventilation cavity, air flow in the ventilation cavity blows downwards from the top, and air vents at two sides of the air blowing cavity blow into the installation cavity, so that the electric cabinet can quickly remove moisture and dissipate heat.

2. The air is blown into the ventilation cavity and is blown to the electrical component on the mounting frame through the ventilation opening, and when the air cylinder stretches, the connecting rod is driven to move downwards, so that the air deflector swings upwards gradually with the center of the rotating shaft; when the air cylinder is contracted, the connecting rod moves upwards to drive the air deflector to swing downwards, so that the wind direction entering the installation cavity is continuously changed under the air guiding effect of the air deflector, and the electric appliance assembly on the middle installation frame can be effectively subjected to heat dissipation and dehumidification.

3. When the air deflector is vertically closed, the first clamping groove of the air deflector at the upper part is clamped into the second clamping groove of the air deflector at the lower part, and the effective closing effect is achieved under the action of the first sealing strip, so that the sealing performance between the air deflectors is improved.

4. The two side edges of the air deflector are provided with second sealing strips matched with the side walls of the ventilation openings, so that the tightness between the air deflector and the side walls of the ventilation openings is improved.

5. The vent is matched with the clamping block and the third clamping groove, so that the connection sealing performance between the upper end part and the lower end part of the vent and the air deflector can be improved.

6. The groove of bucket-shaped design is convenient for water droplet to collect to gas vent department, after opening the discharge valve, not only can make ponding discharge, and the air current of stranding into the installation intracavity flows from top to bottom also discharges through the discharge valve moreover, can accelerate the dry air-drying treatment of the cabinet body, and dampproofing effect is better. Wherein the exhaust valve selects one-way electric control valve, and the internal air of cabinet can only outwards discharge, avoids outside moisture to get into the internal portion of cabinet through the exhaust valve.

Drawings

FIG. 1 is a schematic view of the structure of the inside of the cabinet of the present utility model;

FIG. 2 is a schematic diagram of the connection between the air deflector and the connecting rod according to the present utility model;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view at B in fig. 1.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are provided for illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the present utility model provides a moisture-proof electrical cabinet, which comprises a cabinet body 1 and a sealing door (not shown in the drawings) at the front side of the cabinet body 1. The cabinet 1 comprises an outer shell 11 and an inner shell 12, and a cavity between the outer shell 11 and the inner shell 12 is a ventilation cavity 101. The air blower 2 is installed in the middle of the top of the outer shell 11, the air outlet of the air blower 2 is communicated with the ventilation cavity 101 through the air inlet valve 21, and the air inlet valve 21 is an electric control valve. After the air inlet valve 21 is opened, the air blower 2 blows air into the ventilation cavity 101, air flow in the ventilation cavity 101 blows downwards from the top, and air vents 120 on two sides of the air blowing cavity blow into the installer 102, so that quick dehumidification and heat dissipation of the electrical cabinet are realized.

The middle cavity of the inner shell 12 is internally provided with an installer 102, the installation frame 4 is fixedly arranged in the installer 102, and the electrical component 41 is fixed on the installation frame 4. The left and right side walls of the inner shell 12 are correspondingly provided with ventilation openings 120, and the two ventilation openings 120 are symmetrically provided with air guide components. The air guide assembly includes an air cylinder 31, a connecting rod 32, and a plurality of air guide plates 33 installed at the ventilation openings 120 in a vertical direction. The middle part of the air deflector 33 is rotatably connected to the ventilation opening 120 through a rotating shaft 333, and a connecting rod 32 which is vertically and movably arranged is rotatably connected with the end part of the air deflector 33, which is close to the ventilation cavity 101; the cylinder 31 is rotatably hinged on the inner side wall of the outer shell 11, and the piston end of the cylinder 31 is connected to the middle part of the left side of the connecting rod 32 in a downward inclined rotation manner. The air blown into the ventilation cavity 101 is blown to the electric appliance component 41 on the mounting frame 4 through the ventilation opening 120, and when the air cylinder 31 stretches, the connecting rod 32 is driven to move downwards, so that the air deflector 33 swings upwards gradually around the center of the rotating shaft 333; when the air cylinder 31 is contracted, the connecting rod 32 moves upwards to drive the air deflector 33 to swing downwards, so that the wind direction entering the installer 102 is continuously changed under the air guiding effect of the air deflector 33, and the electric appliance assembly 41 on the middle installation frame 4 can be effectively cooled and dehumidified.

When the air cylinder 31 is contracted and the air guide plates 33 are driven by the connecting rod 32 to rotate to a vertical state, the air guide plates 33 are matched with each other to form a plane plate, so that a closing and blocking effect can be achieved on the ventilation opening 120, and moisture on the outer wall can be prevented from penetrating into the installer 102 through the ventilation cavity 101. The lower end of the air deflector 33 is provided with a first clamping groove 331, the upper end of the air deflector 33 adjacent to the lower part is provided with a second clamping groove 332, and a first sealing strip 3321 is fixedly arranged in the second clamping groove 332. When the air guide plates 33 are vertically closed, the first clamping grooves 331 of the air guide plates 33 of the upper air guide plates 33 are clamped into the second clamping grooves 332 of the air guide plates 33 of the lower air guide plates 33, and the air guide plates are effectively closed under the action of the first sealing strips 3321, so that the sealing performance between the air guide plates 33 is improved.

The two side edges of the air deflector 33 are provided with second sealing strips matched with the side walls of the ventilation openings 120, so that the tightness between the air deflector 33 and the side walls of the ventilation openings 120 is improved.

The upper end of the vent 120 is provided with a clamping block 121 which is matched with the second clamping groove 332 of the uppermost air deflector 33 in a downward protruding mode; the third clamping groove 122 matched with the first clamping groove 331 of the lowest air deflector 33 is arranged below the ventilation opening 120, so that the connection sealing performance between the upper end part and the lower end part of the ventilation opening 120 and the air deflector 33 is improved.

The exhaust port 13 at the bottom of the cabinet body 1 is communicated with the installer 102, a bucket-shaped groove is arranged at the bottom of the cabinet body 1, and the exhaust port 13 is arranged in the middle of the groove. An exhaust valve 131 is installed at the exhaust port 13. The water drops that moisture agglutinated and formed can gather downwards in cabinet body 1 bottom, and the recess of bucket-shaped design is convenient for the water drops to collect to gas vent 13 department, opens after the discharge valve 131, not only can make ponding discharge, and the air current that lets in installer 102 flows from top to bottom also discharges through discharge valve 131 moreover, can accelerate the dry air-drying of cabinet body 1 and handle, and dampproofing effect is better. Wherein the exhaust valve 131 is a unidirectional electric control valve, and air in the cabinet body 1 can only be discharged outwards, so that external moisture is prevented from entering the cabinet body 1 through the exhaust valve 131.

The shell 42 is detachably arranged on the mounting frame 4, active carbon is arranged in the shell 42, and the active carbon can play an auxiliary role in dehumidification, so that the dampproof effect is improved.

A hygrothermograph is arranged in the installer 102 and is connected with a controller on the cabinet body 1. The hygrothermograph can monitor the temperature and the humidity in the cabinet body 1 in real time, so that the controller controls the actions and the opening and closing of the blower 2, the cylinder 31 and the control valve.

When the utility model is used, the air inlet valve 21 and the air outlet valve 131 are controlled to be opened, the air blower 2 acts to blow air into the ventilation cavity 101, the air guide plate 33 is driven by the connecting rod 32 to swing up and down continuously through the continuous telescopic action of the air cylinder 31, so that the wind direction entering the installer 102 is changed continuously, and the electric appliance assembly 41 on the middle installation frame 4 can be effectively cooled and dehumidified. The device has good dampproof and dehumidifying effects and high heat dissipation efficiency, thereby effectively reducing the corrosion degree of the rust in the cabinet and avoiding the circuit from being wetted and shorted.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims

1. The utility model provides a dampproofing electrical cabinet, includes the cabinet body and establishes at the internal mounting bracket of cabinet, its characterized in that: the cabinet body comprises an outer shell and an inner shell, and a ventilation cavity is arranged between the outer shell and the inner shell; the top of the outer shell is provided with a blower, and an air outlet of the blower is communicated with the ventilation cavity through an air inlet valve; the mounting frame is arranged in a mounting cavity in the middle of the inner shell; the two side walls of the inner shell are correspondingly provided with ventilation openings, and the ventilation openings are provided with air guide components; the exhaust port at the bottom of the cabinet body is communicated with the installation cavity, and an exhaust valve is installed at the exhaust port.

2. The moisture resistant appliance cabinet of claim 1 wherein: the air guide assembly comprises an air cylinder, a connecting rod and a plurality of air guide plates which are arranged at the ventilation opening along the vertical direction, the middle part of each air guide plate is rotationally connected to the ventilation opening, and the connecting rod which is vertically and movably arranged is rotationally connected with the end part of each air guide plate, which is close to the ventilation cavity; the cylinder rotates and articulates on the inside wall of shell body, and the piston end of cylinder is connected on the connecting rod in the downward sloping rotation.

3. The moisture resistant appliance cabinet of claim 1 wherein: the bottom of the cabinet body is provided with a bucket-shaped groove, and the exhaust port is arranged in the middle of the groove.

4. The moisture resistant appliance cabinet of claim 1 wherein: the mounting rack is detachably provided with a shell, and activated carbon is arranged in the shell.

5. The moisture resistant appliance cabinet of claim 2 wherein: the lower end of the air deflector is provided with a first clamping groove, and the upper end of the adjacent air deflector below is provided with a second clamping groove matched with the first clamping groove.

6. The moisture resistant appliance cabinet of claim 5 wherein: the second clamping groove is internally and fixedly provided with a first sealing strip.

7. The moisture resistant appliance cabinet of claim 6 wherein: two side edges of the air deflector are provided with second sealing strips matched with the side walls of the ventilation openings.

8. The moisture resistant appliance cabinet of claim 5 wherein: the upper end of the ventilation opening is provided with a clamping block which is matched with the second clamping groove of the top air deflector in a downward protruding mode; a third clamping groove matched with the first clamping groove of the bottom air deflector is arranged below the ventilation opening.

9. The moisture resistant appliance cabinet of claim 1 wherein: and a hygrothermograph is arranged in the installation cavity.